Home / 1,349.29-2,023.62-699.67

Finding the Fourth Proportional to 1,349.29, 2,023.62 and 699.67

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Solution

The fourth proportional to 1,349.29, 2,023.62 and 699.67 is: 1,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.29 : 2,023.62 = 699.67 : x
  2. Step 2: Convert to fraction form
    1,349.29/2,023.62 = 699.67/x
  3. Step 3: Cross multiply
    1,349.29x = 2,023.62 × 699.67
  4. Step 4: Simplify right side
    1,349.29x = 1,415,866.21
  5. Step 5: Solve for x
    x = 1,415,866.21/1,349.29
  6. Step 6: Final answer
    x = 1,049.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.